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  5. 138210100 Tillotson 212R/225RS Cylinder Head
138210100 Tillotson 212R/225RS Cylinder Head
138210100 Tillotson 212R/225RS Cylinder Head Bare
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138210100 Tillotson 212R/225RS Cylinder Head

Part Number: 138210100
Your Price: $28.99
Availability: In Stock.

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Description

The Tillotson JT-207 has been modified from 25/24mm to 27/25mm diameter valves and from 5.5mm to 5mm valve stems to improve flow. 

This head is the same used on the Tillotson 212R and coming 225RS engines. This makes a great replacement for the Predator Hemi engines gaining as much as .6:1 compression from just changing heads. Typical Predator Hemi is around 8.2:1 this head will bump it up to 8.81:1.

• Intake Valve: 27mm

• Exhaust Valve 25mm

• Valve Stem 5mm

• Combustion Chamber 20.9cc

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